Kiadaliri, Ali http://orcid.org/0000-0002-4254-9099
Moreno-Betancur, Margarita
Turkiewicz, Aleksandra
Englund, Martin
Funding for this research was provided by:
Greta & Johan Kock Foundation
The Swedish Research Council
The Swedish Rheumatism Association
Ă–sterlund Foundation
Article History
Received: 13 May 2019
Accepted: 11 October 2019
First Online: 28 October 2019
Ethics approval and consent to participate
: All procedures performed in the study were in accordance with the 1964 Helsinki declaration and its later amendments and all aspects of the study including access and use the data was approved by the Lund University Ethics committee (Dnr 2014/276). The need for individual informed consent was waived by the Ethics committee. The study was advertised in the major newspapers where a possibility to opt-out was offered. This is a principle used in Sweden for population-wide studies using non-identifiable register data (ExternalRef removed).
: Not applicable.
: AK is an associate editor of BMC Musculoskeletal Disorders. The other authors declare that they have no conflict of interest.